Product Description：

Valve lockouts are indeed a crucial safety measure in many industries. They ensure that machinery operated by valves remains off during maintenance or service work. 

This is achieved by attaching a robust lockout device over the operational part of the valve, which is then secured with hasps or padlocks. This prevents the valve from being accidentally turned on, thereby protecting workers from potential harm. It's an excellent example of a simple yet effective safety protocol. 

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